消防麻豆91视频网址風機通常是高層民用建築的主要防麻豆91视频网址設施，是高層民用建築保障人民生命財產不可缺少的。但由於部分設計、施工人員對防麻豆91视频网址設施的結構、作用、性能缺乏了解，對規範標準理解不透徹，導致消防麻豆91视频网址風機在實際應用中通常遇到一些問題，這些問題直接關係到麻豆91视频网址效果及建築。

　　Fire exhaust fans are usually the main smoke control facilities in high-rise civil buildings, and are indispensable for ensuring the safety of people's lives and property in high-rise civil buildings. However, due to a lack of understanding of the structure, function, and performance of smoke control facilities by some designers and construction personnel, as well as a lack of thorough understanding of national standards and regulations, fire smoke exhaust fans often encounter some problems in practical applications, which directly affect smoke exhaust effectiveness and building safety.

　　一、自然麻豆91视频网址設施達不到麻豆91视频网址目的? ? ? ? ? ? ? ? ? ? ?

　　1、 Natural smoke exhaust facilities cannot achieve the purpose of smoke exhaust?

　　問題表現：部分工程由於設計、施工不規範，導致自然麻豆91视频网址窗設置位置不當、開窗麵積不足、結構形式不合理或缺少便於開啟的操作機構，從而無法有效麻豆91视频网址。原因分析：設計未按規範要求進行，施工過程中存在偏差，以及後期維護管理不善。

　　Problem manifestation: Due to non-standard design and construction, some projects have resulted in improper placement of natural smoke exhaust windows, insufficient window area, unreasonable structural form, or lack of easy to open operating mechanisms, thus unable to effectively exhaust smoke. Reason analysis: The design was not carried out according to the specifications, there were deviations during the construction process, and poor maintenance and management in the later stage.

　　二、機械麻豆91视频网址設施麻豆91视频网址效果不明顯問題表現：機械麻豆91视频网址係統在實際應用中，送風口、麻豆91视频网址口風量、餘壓值達不到規範要求，麻豆91视频网址效果不佳。原因分析：風機選型不當、係統配置不合理（如合用正壓送風係統未設計壓差調節裝置）、防煙分區設置不規範、送風口設置不符合要求以及風管豎井施工質量差等。

　　2、 The problem of unclear smoke exhaust effect of mechanical smoke exhaust facilities is manifested in the practical application of mechanical smoke exhaust systems, where the air volume and residual pressure values of the air supply and exhaust ports do not meet the standard requirements, resulting in poor smoke exhaust effect. Reason analysis: Improper selection of fans, unreasonable system configuration (such as no pressure difference adjustment device designed for the shared positive pressure air supply system), non-standard setting of smoke prevention zones, non compliant setting of air supply outlets, and poor construction quality of air duct shafts.

　　三、防麻豆91视频网址風機的供配電不符合規範要求問題表現：部分消防麻豆91视频网址風機的供電線路未接自消防電源，或采用單回路配電線路，未設末端電源自動切換裝置，無法滿足高層民用建築負荷級別要求。

　　3、 The problem of the power supply and distribution of smoke exhaust fans not meeting the regulatory requirements is manifested as follows: some fire exhaust fans' power supply lines are not connected to the fire power supply, or single circuit distribution lines are used, and there is no automatic switching device for the end power supply, which cannot meet the load level requirements of high-rise civil buildings.

　　原因分析：設計疏忽、施工不當以及後期維護管理不到位。四、應設機械防麻豆91视频网址設施的部位未按規範要求設置問題表現：在一些需要設置機械防麻豆91视频网址設施的部位，未按規定設置機械麻豆91视频网址設施。如：

　　Reason analysis: design negligence, improper construction, and inadequate maintenance and management in the later stage. 4、 The problem of mechanical smoke control facilities not being installed in accordance with regulatory requirements is manifested as the failure to install mechanical smoke control facilities in some areas where they are required. For example:

　　1、帶裙房的高層民用建築防煙樓梯間及前室，消防電梯間前室或合用前室，當裙房以上部分利用可開啟外窗進行自然麻豆91视频网址，裙房部分不具備自然麻豆91视频网址條件時，其前室或合用前室未按規範要求設置正壓送風係統；

　　1. When smoke proof staircases and lobbies, fire elevator lobbies or shared lobbies in high-rise civil buildings with podiums are equipped with natural smoke exhaust through openable external windows, and the podiums do not have natural smoke exhaust conditions, the lobbies or shared lobbies are not equipped with positive pressure air supply systems according to regulatory requirements;

　　2、超過20米無自然麻豆91视频网址的內走道，有的設計人員因與其相連的防煙樓梯間前室有自然麻豆91视频网址，認為其具備自然麻豆91视频网址的條件，未按規範要求設置機械麻豆91视频网址設施。原因分析：設計人員對規範理解不足，施工單位未按圖施工，以及消防監督部門審查不嚴。

　　2. For interior corridors over 20 meters without natural smoke exhaust, some designers believe that they have the conditions for natural smoke exhaust due to the presence of natural smoke exhaust in the front room of the smoke proof staircase connected to them, and do not install mechanical smoke exhaust facilities as required by regulations. Reason analysis: The designers have insufficient understanding of the specifications, the construction unit did not follow the drawings during construction, and the fire supervision department did not conduct strict inspections.

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